Esp32 pin planner

Interactive pin reference for ESP32 development boards. Explore GPIO functions, peripheral mappings, and boot-mode warnings for the ESP32, ESP32-S3, and ESP32-C3 — all in one visual tool.

ESP32-WROOM-32SoC ModuleCP2102 / CH340PCB AntennaAMS1117-3.3EN ButtonBOOT Button3V3ENVP / GPIO36VN / GPIO39GPIO34GPIO35GPIO32GPIO33GPIO25GPIO26GPIO27GPIO14GPIO12GNDGPIO13GNDGPIO23GPIO22TX0 / GPIO1RX0 / GPIO3GPIO21GPIO19GPIO18GPIO5TX2 / GPIO17RX2 / GPIO16GPIO4GPIO2GPIO15VIN123456789101112131415161718192021222324252627282930

Hover or click a pin to see details

Power
Ground
GPIO
Input Only
Flash
Enable